Q: Is 21,742,425 a Composite Number?

 A: Yes, 21,742,425 is a composite number.

Why is 21,742,425 a composite number?

A composite number is a number that can be divided evenly by more numbers than 1 and itself. It is the opposite of a prime number.

The number 21,742,425 can be evenly divided by 1 3 5 9 15 25 27 45 75 81 135 225 243 405 675 729 1,193 1,215 2,025 3,579 3,645 5,965 6,075 10,737 17,895 18,225 29,825 32,211 53,685 89,475 96,633 161,055 268,425 289,899 483,165 805,275 869,697 1,449,495 2,415,825 4,348,485 7,247,475 and 21,742,425, with no remainder.

Since 21,742,425 cannot be divided by just 1 and 21,742,425, it is a composite number.


More Examples

Number 21,742,42321,742,42421,742,42621,742,427
Composite? yesyesyesyes
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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